DSPIC33FJ256GP710A-H/PF - 16-bit DSC, 40 MIPS, 256KB Flash | Microchip
MPN: DSPIC33FJ256GP710A-H/PF ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $9.2 | $9.20 |
| 10 | $8.35 | $83.50 |
| 100 | $7.45 | $745.00 |
| 500 | $6.8 | $3,400.00 |
| 1,000 | $6.15 | $6,150.00 |
DSPIC33FJ256GP710A-H/PF Overview
A Digital Signal Controller combines the compute architecture of a digital signal processor with the peripheral integration and control-oriented architecture of a microcontroller. Within the broader embedded hierarchy, the dsPIC33F sits below application processors and above basic MCUs, bridging the PIC24 MCU family (with which it is pin compatible) and dedicated DSPs. DSCs excel in closed-loop control tasks that mix C-level system management with hardware-accelerated multiply-accumulate operations.
Key features include a 16-bit dsPIC core with DSP engine, 256KB (256K x 8) Flash, 30KB SRAM, and 85 I/O pins. Connectivity spans CAN 2.0B, I2C, SPI, UART/USART, and IrDA/LINbus, enabling integration into automotive and industrial networks. The device provides 9 timers/counters and the GP (General Purpose) analog suite.
Technically, the modified Harvard architecture executes two instructions per cycle from a pipeline fetching instruction and data words in parallel, with two 40-bit accumulators and hardware modulo addressing supporting DSP algorithms like FIR filtering and PID control.
Typical applications include automotive control modules (the device is AEC-Q100 qualified), industrial motor control and power conversion, and sensor signal processing in instrumentation.
Design consideration: the -H suffix denotes an extended-temperature 125C rated variant; verify your board thermal budget and use paired PGECx/PGEDx pins for ICSP programming.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.
Drop-in alternatives for DSPIC33FJ256GP710A-H/PF — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Variants in this series
Same-series models that are drop-in compatible with DSPIC33FJ256GP710A-H/PF (same form factor and footprint) — differing in Package, Operating Temperature, Core, Core Architecture, RAM Size.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC33FJ256GP710A-I/PF
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View Datasheet →DSPIC33FJ256GP710A-H/PT
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View Datasheet →DSPIC33FJ256GP510-I/PF
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View Datasheet →DSPIC33FJ256GP510T-I/PT
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View Datasheet →DSPIC33FJ128MC710-I/PF
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View Datasheet →DSPIC33FJ128MC510A-I/PF
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View Datasheet →DSPIC33FJ128MC506AT-I/PT
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View Datasheet →DSPIC33FJ256GP710A-H/PF Maximum Ratings & Electrical Characteristics
| Core | 16-bit dsPIC33F (DSC) |
| Core Speed | 40 MIPS |
| Program Memory (Flash) | 256KB (256K x 8) |
| RAM | 30KB |
| Supply Voltage | 3.3 V |
| I/O Count | 85 I/O |
| Timers/Counters | 9 |
| Connectivity | CANbus, I2C, IrDA, LINbus, SPI, UART/USART |
| Package | 100-TQFP (PF) |
| Mounting Type | Surface Mount |
| Qualification | AEC-Q100 qualified |
| Family | dsPIC 33F (General Purpose) |
| Programmability | ICSP via paired PGECx/PGEDx pins |
| Ethernet | No |
| USB | No |
DSPIC33FJ256GP710A-H/PF 100-tqfp (pf) Pin Configuration Guide
Pin configuration for DSPIC33FJ256GP710A-H/PF (100-tqfp (pf) package). This digital IC includes GPIO, communication interfaces (UART, SPI, I2C), and power pins. Refer to the manufacturer datasheet for alternate pin functions and configuration options. Essential for embedded system design and PCB layout.
No detailed pinout data available for DSPIC33FJ256GP710A-H/PF.
Refer to the datasheet for full pin configuration.
Typical Applications
DSPIC33FJ256GP710A-H/PF is suitable for 6 applications: Automotive Control Modules, Industrial Motor Control, Sensor Signal Processing, Power Conversion and Inverters, Medical and Laboratory Instrumentation, Embedded Networking Gateways.
Automotive Control Modules
The DSPIC33FJ256GP710A-H/PF is AEC-Q100 qualified with an extended temperature grade, making it directly suited to automotive electronic control units such as body control modules, pump controllers, and sensor nodes. Its CAN 2.0B module at up to 1 Mbps plus LINbus support provides standard in-vehicle networking, while the 40 MIPS DSP core runs filtering and closed-loop algorithms on ADC samples from the GP analog suite. Placing the controller on a 3.3V rail with the CAN transceiver on the same bus keeps the network deterministic; the 256KB Flash accommodates full OBD diagnostics stacks. The -H grade tolerates hot engine-bay enclosures where -I parts would be marginal, and ICSP programming via paired PGECx/PGEDx pins enables end-of-line firmware flashing on the production line.
Recommended
Industrial Motor Control
Digital signal controllers dominate cost-sensitive industrial motor drives because they combine control-loop DSP capability with rich timers and communications. The 40 MIPS core with dual 40-bit accumulators executes field-oriented control transforms and PI current loops at PWM switching frequency, while the output-compare and timer modules (9 total) generate complementary drive signals. The 85 I/O pins interface quadrature encoders, Hall sensors, and safety interlocks directly. Note this GP (General Purpose) part suits servo or BLDC drives with moderate PWM complexity; if you need the motor-control family's advanced PWM with fault inputs and dead-band hardware, consider the pin-compatible DSPIC33FJ128MC710. The 256KB Flash holds sensorless estimation algorithms and fieldbus protocol stacks (CAN, UART) without external memory.
Recommended
Sensor Signal Processing
The DSP engine of the dsPIC33FJ256GP710A performs FIR/IIR filtering, FFT analysis, and demodulation on digitized sensor inputs using hardware multiply-accumulate, freeing C-level firmware for protocol handling. With 30KB of RAM, the controller buffers multiple channels for synchronized sampling, and the GP analog suite provides on-chip conversion for moderate-resolution needs. Applications include strain-gauge and load-cell conditioning, vibration monitoring, and ultrasonic flow measurement. Running from a clean 3.3V rail with proper analog grounding, the 40 MIPS throughput supports kHz-bandwidth signal chains. The AEC-Q100 qualification extends use into industrial and transportation sensing where reliability screening matters, and CAN or UART output integrates results into plant or vehicle networks without additional bridge hardware.
Recommended
Power Conversion and Inverters
Solar micro-inverters, UPS stages, and industrial switch-mode power supplies need a controller that samples voltages/currents, runs digital compensators, and communicates with supervisors. The dsPIC33FJ256GP710A's 40 MIPS core and timer resources generate PWM carriers while DSP instructions execute notch and PI compensators each switching cycle; 256KB Flash stores grid codes, protection state machines, and logging. CAN and UART links report telemetry to system hosts. Designers should budget CPU load carefully: heavy communication plus high switching frequency can saturate the GP part, in which case the pin-compatible MC-family variants offer more capable PWM hardware. The extended -H temperature rating suits enclosures mounted near heat-producing power stages, provided junction limits are verified in the thermal budget.
Recommended
Medical and Laboratory Instrumentation
Portable analyzers, infusion interfaces, and lab instruments benefit from the DSC's mix of signal processing and connectivity. The 40 MIPS core with hardware DSP performs baseline wandering removal and peak detection on biosignals, while 256KB Flash holds device calibration tables and UI firmware. UART/USART and SPI connect to displays, printers, and Bluetooth modules, and I2C manages sensors and EEPROM. The 100-pin TQFP's 85 I/O lines drive keypads, indicators, and valve actuators in compact PCBs. Because medical designs favor long-lifecycle silicon, the dsPIC33FJ256GP710A family's documented migration path within Microchip's 16-bit portfolio protects the supply chain. Note: this standard-qualified part is not a certified medical device component; system-level IEC 60601 compliance is the designer's responsibility.
Recommended
Embedded Networking Gateways
Protocol-conversion nodes between CAN buses and serial/Ethernet-adjacent backends are a natural fit for this DSC. It runs CAN 2.0B at 1 Mbps natively while UART/USART and SPI bridge to modems, RS-485 transceivers, or secondary MCUs, and the 40 MIPS core implements frame routing, filtering, and buffering in its 30KB RAM. 256KB Flash stores multiple protocol stacks simultaneously, for example CANopen plus Modbus translation. The 9-timer bank generates time-stamps and watchdogs for deterministic behavior. In industrial cabinets the extended temperature grade and AEC-Q100 reliability screening add margin over consumer-grade parts. For designs requiring USB or Ethernet, add companion bridge chips since this device lacks those peripherals on-chip.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33FJ256GP710A-H/PF — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33FJ256GP710A-I/PF | DSPIC33FJ256GP510-I/PF | DSPIC33FJ128MC710-I/PF | DSPIC33FJ128MC506AT-I/PT |
|---|---|---|---|---|---|
| Package | 100-TQFP (PF) | 100-TQFP - same | 100-TQFP - same | 100-TQFP - same | 100-TQFP - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Core Performance | 16-bit, 40 MIPS | 16-bit, 40 MIPS | 16-bit, 40 MIPS | 16-bit, 40 MIPS | 16-bit, 40 MIPS |
| Flash Memory | 256KB | 256KB | 128KB | 128KB | 128KB |
| Temperature Grade | Extended (-H) | Industrial (-I) | Industrial (-I) | Industrial (-I) | Industrial (-I) |
| Peripheral Family | GP (General Purpose) | GP | GP | MC (motor control) | MC (motor control) |
Key Differentiators
- Extended temperature grade for hot environments (vs DSPIC33FJ256GP710A-I/PF)
- Double the program memory of the 510 sibling (vs DSPIC33FJ256GP510-I/PF)
- General Purpose analog versus Motor Control PWM (vs DSPIC33FJ128MC710-I/PF)
Design Notes
ICSP programming requires matched PGECx/PGEDx pairs: if PGEC2 carries ICSPCLK, PGED2 must carry ICSPDAT. Do not mix pairs or load them with heavy pull-ups/pull-downs that fight the programmer. Reserve the chosen pair's traces with series resistors and test points for factory flashing. This is documented in the dsPIC33FJ256GP710 family datasheet and the NSDSP programming notes for the dsPIC33FJ256GP710A.
Run the core from a clean 3.3V rail with local 0.1uF decoupling on every VDD pin pair and a solid VDDCORE/VSS network per the Microchip datasheet layout guidance. During Flash programming and erase, core current spikes; size the regulator and bulk capacitance for transient load rather than average current. A 10uF bulk capacitor near the device plus 0.1uF ceramics at each supply pin is the standard pattern for 100-pin dsPIC33F boards.
Estimated: the 100-TQFP thermal resistance is approximately 40-50 C/W on a typical four-layer board (exact theta_JA depends on your stackup - see the datasheet thermal tables). At an estimated 40-60 mA typical core current at 3.3V, self-heating is only 0.13-0.2W, about 8-10C rise. The -H grade choice therefore matters mostly for ambient environment, not self-heating, but verify against your own load profile with high I/O pin sourcing.
Keep the CAN transceiver as close as practical to the CAN Tx/Rx pins, route with matched short stubs, and place a common-mode choke plus split termination (2x 60 ohm) at the connector per standard CAN physical-layer practice. Keep analog inputs routed away from PWM and CAN lines, with dedicated analog ground return to reduce sampling noise on the GP analog suite.
Compliance Information
AEC-Q100 qualified per Microchip USA product data. RoHS/REACH status not stated in provided data - verify on the Microchip product page.
